html, body, div, span, h1, h2, h3, h4, h5, h6, ul, ol, li, p{
    margin: 0;
    padding: 0;
}
html, body{
    width: 100%;
    height: 100%;
    font-family: "微软雅黑 Light", serif;
}
ul,ol{
    list-style: none;
}
a{
    text-decoration: none;
}